High-precision wind power planet carrier machining process

Abstract

The application discloses a high-precision wind power planet carrier machining process and relates to the technical field of wind power planet carrier machining. First, a first side plate of a planet carrier is placed in a positioning mechanism one in an upward posture, and a machine tool one is used to perform rough machining on the surface of the outer sleeve end and the top surface of a stand; the planet carrier is placed in a positioning mechanism two in a posture with the first side plate downward, and a machine tool two is used to perform rough machining on the bottom surface of the stand; the planet carrier is placed in a positioning mechanism three in a posture with the first side plate vertically placed, and a machine tool three is used to perform rough machining on the inner wall of a side edge shaft hole and a center shaft hole; the application changes the clamping gap and position of each clamp, realizes more-angel and more-accurate adjustment of the position and posture of the planet carrier, detects parameters such as flatness, position degree and perpendicularity in real time when the product is repeatedly clamped and positioned, and adjusts in real time, so that the accuracy of the clamping and limiting operation is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the wind power planet carrier processing technical field, specifically a kind of high-precision wind power planet carrier processing technology. BACKGROUND

[0002] As an important component of wind turbine generator set, the quality of planet carrier directly affects the service life of the entire generator set. The existing planet carrier is mostly a frame structure casted integrally, which has large vertical direction contraction resistance and the contraction amount is not easy to control. When contracting, contraction stress is generated due to resistance, which is easy to cause cracks. The key areas after production forming are not allowed to be welded. Therefore, improving the dimensional accuracy of planet carrier in the processing process is of great significance to improve the quality of planet carrier finished product. SUMMARY

[0003] The present application aims to provide a kind of high-precision wind power planet carrier processing technology to solve the problems raised in the above background.

[0004] To achieve the above object, the present application provides the following technical scheme:

[0005] A kind of high-precision wind power planet carrier processing technology, comprising the following steps,

[0006] Step one: the first side plate of planet carrier is placed in the upward position of positioning mechanism one, and the surface of outer sleeve end and the top surface of vertical column are rough machined by machine tool one;

[0007] Step two: the planet carrier is placed in the downward position of positioning mechanism two, and the bottom surface of vertical column is rough machined by machine tool two;

[0008] Step three: the planet carrier is placed in the vertical position of positioning mechanism three, and the inner wall of side edge shaft hole and center shaft hole are rough machined by machine tool three;

[0009] Step four: the planet carrier is placed in the upward position of positioning mechanism four, and the side surface of vertical column is rough machined by machine tool four;

[0010] Step five: the planet carrier is placed in the vertical position of positioning mechanism five, and the inner wall of side edge shaft hole and center shaft hole are finished machined by machine tool five;

[0011] Step six: the planet carrier is placed in the upward position of positioning mechanism six, and the surface of outer sleeve end and the top surface of vertical column are finished machined by machine tool six;

[0012] Step seven: the planet carrier is placed in the downward position of positioning mechanism seven, and the bottom surface of vertical column is finished machined by machine tool seven.

[0013] As a further scheme of the present application: in step one, the positioning mechanism one clamps the second side plate by several bottom positioning clamps to position the planetary carrier, and the table leveling makes the column top surface runout controlled within 2MM, and the first side plate edge outer circle runout is within 1MM.

[0014] As a further scheme of the present application: in step two, the positioning mechanism two limits the outer sleeve end by the center limiting rod extending into the outer sleeve end, and supports the first side plate by several supporting clamps contacting several columns to position the planetary carrier, and the gap between the supporting clamps and the first side plate is controlled within 0.02MM.

[0015] As a further scheme of the present application: in step three, the positioning mechanism three clamps and limits the first side plate and the second side plate by several side plate clamps arranged on the support frame, and clamps and limits the column by the column clamp, and the gap between the side plate clamps and the planetary carrier contact part is controlled within 0.02MM, and the center straightness runout of the table side edge shaft hole is within 1MM, and the position degree of the center shaft hole is within 0.3MM.

[0016] As a further scheme of the present application: in step four, the positioning mechanism four supports several columns by several supporting plates, and limits and supports several side edge shaft holes by several shaft hole positioning clamps; the column top surface flatness is within 0.05MM, and the center straightness runout of the table side edge shaft hole is within 1MM.

[0017] As a further scheme of the present application: in step five, the positioning mechanism five is consistent with the positioning mechanism three, and the flatness of each column bottom surface is adjusted within 0.05MM when clamping and positioning, and the center straightness runout, the cylindrical degree, the position degree, the concentricity and the perpendicularity of the table side edge shaft hole are within 0.05MM, 0.012MM, 0.08MM, 0.025MM and 0.04MM respectively.

[0018] As a further scheme of the present application: in step six, the positioning mechanism six is consistent with the positioning mechanism one, and the column top surface runout controlled within 0.05MM is table leveled, and the first side plate edge outer circle runout is within 0.1MM; the concentricity, the cylindrical degree and the center straightness runout of the outer sleeve end part are 0.04MM, 0.03MM and 0.04MM respectively.

[0019] As a further scheme of the present application: in step seven, the positioning mechanism seven supports several column top surfaces by the supporting clamps to position the planetary carrier, and the gap between each supporting clamp and the column is controlled within 0.02MM, and the first side plate outer circle runout is within 0.1MM; the column top surface flatness runout is within 0.04MM, and the cylindrical degree and the concentricity of the center shaft hole are 0.03MM and 0.04MM respectively.

[0020] Compared with the prior art, the present application has the beneficial effects that: the present application sets several positioning mechanisms to limit and fix the planetary carrier in different positioning postures, so as to adapt to the machining operation needs of different machine tools for different positions of the planetary carrier, the positioning mechanisms of the present application realize the support and fixation of the planetary carrier through several point positions at different positions, so as to improve the limiting stability of the planetary carrier, and through the change of the clamping gap and position of each clamp, the position and posture of the planetary carrier are adjusted more accurately in more angles, when the product is repeatedly clamped and positioned, the real-time detection of parameters such as flatness, position degree and perpendicularity is carried out, and real-time adjustment is carried out, so that the accuracy of clamping and limiting operation is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The process flowchart of the present application is shown in the figure;

[0022] Figure 2 The planetary carrier state diagram of step one of the present application is shown in the figure;

[0023] Figure 3 The planetary carrier state diagram of step two of the present application is shown in the figure;

[0024] Figure 4 The planetary carrier state diagram of step three of the present application is shown in the figure;

[0025] Figure 5 The planetary carrier state diagram of step four of the present application is shown in the figure;

[0026] Figure 6 The planetary carrier state diagram of step seven of the present application is shown in the figure.

[0027] In the figure: 1, first side plate; 2, second side plate; 3, outer sleeve end; 4, column; 401, column top surface; 402, column side surface; 403, column bottom surface; 5, side edge shaft hole; 6, center shaft hole; 7, bottom positioning clamp; 8, center limiting rod; 9, supporting clamp; 10, support frame; 11, side plate clamp; 12, column clamp; 13, supporting plate; 14, shaft hole positioning clamp; 15, supporting clamp. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6In the embodiment of the application, a high-precision wind power planetary carrier processing technology comprises the following steps: first, the first side plate 1 on which the sleeve end 3 is located is placed in the upward position in the positioning mechanism 1, and the surface of the sleeve end 3 and the top surface of the column are coarsely processed by the machine tool 1; the positioning mechanism 1 clamps the second side plate 2 by the bottom positioning clamps 7 to realize the positioning of the planetary carrier, and the center straightness of the side edge shaft hole 5 is controlled within 1MM by the table.

[0030] Then, the planetary carrier is placed in the downward position of the first side plate 1 in the positioning mechanism 2, and the bottom surface of the column is coarsely processed by the machine tool 2; the positioning mechanism 2 limits the sleeve end 3 by extending the center limiting rod 8 into the sleeve end 3, and supports the first side plate 1 by the contact of the column with the bearing clamps 9 to realize the limiting of the planetary carrier, and the gap between the bearing clamps 9 and the first side plate 1 is controlled within 0.02MM.

[0031] Then, the planetary carrier is placed in the upward position of the first side plate 1 in the positioning mechanism 4, and the side surface 402 of the column is coarsely processed by the machine tool 4; the positioning mechanism 4 supports and contacts the column by the bearing plates 13, and limits and supports the side edge shaft hole 5 by the shaft hole positioning clamps 14; the top surface of the column is controlled within 0.05MM in planeness, and the center straightness of the side edge shaft hole 5 is controlled within 1MM by the table.

[0032] The planet carrier is placed in the positioning mechanism five in the posture of the first side plate 1 being vertically placed, and the inner wall of the side shaft hole 5 and the center shaft hole 6 are finished by the machine tool five; the positioning mechanism five is consistent with the positioning mechanism three, the flatness of the bottom surface 403 of each column is adjusted to be within 0.05mm, the center straightness of the side shaft hole 5 is within 0.05mm, the cylindricity is 0.012mm, the position degree is 0.08mm, the concentricity is 0.025mm, and the perpendicularity is 0.04mm; the planet carrier is placed in the positioning mechanism six in the posture of the first side plate 1 being upward, and the surface of the sleeve end 3 and the top surface of the column are finished by the machine tool six; the positioning mechanism six is consistent with the positioning mechanism one, the top surface 401 of the column is adjusted to be within 0.05mm, and the outer circle of the first side plate 1 is within 0.1mm; the concentricity of the sleeve end 3 is 0.04mm, the cylindricity is 0.03mm, and the center straightness is within 0.04mm; the planet carrier is placed in the positioning mechanism seven in the posture of the first side plate 1 being downward, and the bottom surface of the column is finished by the machine tool seven; the positioning mechanism seven supports the top surface 401 of the column by the supporting clamp 15, limits the planet carrier, the gap between the supporting clamp 15 and the column is within 0.02mm, the outer circle of the first side plate 1 is within 0.1mm, the flatness of the top surface 401 of the column is within 0.04mm, the cylindricity of the center shaft hole 6 is 0.03mm, and the concentricity is 0.04mm.

[0033] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the equivalent embodiments by using the disclosed technical content without departing from the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A high-precision wind power planet carrier processing technology, characterized in that, Comprising the following steps: Step one: the first side plate (1) of the planetary carrier is placed in the positioning mechanism one with the outer sleeve end (3) upwards, the positioning mechanism one clamps the second side plate (2) through several bottom positioning clamps (7) to realize the positioning of the planetary carrier, and the surface of the outer sleeve end (3) and the top surface of the column are coarsely processed by the machine tool one; Step two: the planetary carrier is placed in the positioning mechanism two with the first side plate (1) downwards, the positioning mechanism two limits the outer sleeve end (3) by extending the center limiting rod (8) into the outer sleeve end (3), and the first side plate (1) is supported by contacting the several supporting clamps (9) with the several columns to realize the limiting of the planetary carrier, and the bottom surface of the column is coarsely processed by the machine tool two; Step three: the planetary carrier is placed in the positioning mechanism three with the first side plate (1) vertically placed, the positioning mechanism three clamps and limits the first side plate (1) and the second side plate (2) respectively through the several side plate clamps (11) arranged on the support frame (10), and the column is clamped and limited by the column clamp (12), and the inner wall of the side edge shaft hole (5) and the center shaft hole (6) are coarsely processed by the machine tool three; Step four: the planetary carrier is placed in the positioning mechanism four with the first side plate (1) upwards, the positioning mechanism four supports and contacts the several columns through the several supporting plates (13), and the several side edge shaft holes (5) are limited and supported by the several shaft hole positioning clamps (14); the column side surface (402) is coarsely processed by the machine tool four; Step five: the planetary carrier is placed in the positioning mechanism five with the first side plate (1) vertically placed, and the inner wall of the side edge shaft hole (5) and the center shaft hole (6) are finished by the machine tool five; Step six: the planetary carrier is placed in the positioning mechanism six with the first side plate (1) upwards, and the surface of the outer sleeve end (3) and the top surface of the column are finished by the machine tool six; Step seven: the planetary carrier is placed in the positioning mechanism seven with the first side plate (1) downwards, and the bottom surface of the column is finished by the machine tool seven.

2. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step one, the table leveling makes the column top surface (401) jump within 2MM, and the first side plate (1) edge outer circle jump within 1MM.

3. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step two, the gap between the several supporting clamps (9) and the first side plate (1) is controlled within 0.02MM.

4. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step three, the gap between the side plate clamp (11) and the contact part of the planetary carrier is controlled within 0.02MM, the center straightness jump of the side edge shaft hole (5) is within 1MM, and the position degree of the center shaft hole is within 0.3MM.

5. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step four, the top surface flatness of the column is within 0.05MM, and the center straightness jump of the side edge shaft hole (5) is within 1MM.

6. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step five, the flatness of each column bottom surface (403) is adjusted within 0.05MM when positioning and clamping, the center straightness jump of the side edge shaft hole (5) is within 0.05MM, the cylindrical degree is 0.012MM, the position degree is 0.08MM, the concentricity is 0.025MM, and the perpendicularity is 0.04MM.

7. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step six, the column top surface (401) jump control is within 0.05MM, the first side plate (1) edge of the outer circle jump is within 0.1MM; the concentricity of the outer sleeve end (3) is 0.04MM, the cylindricity is 0.03MM, the center straightness jump is 0.04MM.

8. The high-precision wind power planet carrier machining process according to claim 1, characterized in that, In step seven, the positioning mechanism seven is supported by the support clamp (15) to support several column top surfaces (401), and the limit of the planet carrier is realized. The gap between the support clamp (15) and the column is controlled within 0.02MM, the first side plate (1) outer circle jump is within 0.1MM; the flatness jump of the column top surface (401) is within 0.04MM, the cylindricity of the center shaft port (6) is 0.03MM, and the concentricity is 0.04MM. ​

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